IBM SVC
Monitor IBM SAN Volume Controller and StoreWize Appliances
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Data Collection Setup
Metrics are collected via CLI on the SVC or StoreWize appliance. These are collected securely using ssh.
Network Requirements
Port: 22 (TCP) SSH for CLI data collection on the SVC/StoreWize system.
Least Privileged User
1.From the SVC GUI, navigate to Access -> Users, then select Create User.
- In the user creation screen, enter a name ("svclpu" here), specify Authentication Mode as "Local" and User Group as "Monitor".
- Enter a password for the LPU.
- Click Create.


SVC User Creation
Supported Versions
IBM SVC / StoreWize: 7+
Connection Parameters
Name | Required? | Description |
---|---|---|
Host | Required | The IBM SVC/StorWize to connect to. |
Port | The port for communication to SSH. | |
Username | Required | |
Password | Required | |
Event Severity | The maximum event severity to collect. | |
Connection Timeout (seconds) | The number of seconds to allow for connecting to the SSH host. | |
Key Exchange Algorithm | Specifies the type of key exchange algorithm used to generate a session key | |
Strict Host Key Checking | Toggles the check for the current host against those in the known hosts database. | |
Collect Virtual Disk Capacities | Toggles collection of virtual disk capacities. |
Metrics
Cluster
Name | Description |
---|---|
Cache Prefetch | Indicates whether cache prefetching is enabled across the cluster. |
Cloud Download Data Transferred (Megabytes per Second) | Displays the average data transferred for download operations to a cloud account during the sample period. |
Cloud Download Delay (Milliseconds) | Displays the average amount of time it takes for the cluster to respond to download requests to a cloud account during the sample period. |
Cloud Upload Data Transferred (Megabytes per Second) | Displays the average data transferred per time unit for upload operations to a cloud account during the sample period. |
Cloud Upload Delay (Milliseconds) | Displays the average amount of time it takes for the cluster to respond to upload requests to a cloud account during the sample period. |
Code Level | The version of the CLI tools being used. |
Compression Active | Indicates whether there are any compressed volume copies in the cluster. |
Compression Allocated CPU (%) | Displays the allocated CPU capacity utilized for compression. |
Compression Compressed Capacity (Mebibytes) | Indicates the total used capacity for all compressed volume copies in the cluster. This value is in unsigned decimal format. |
Compression Destage Mode Enabled | Whether compression destage mode is enabled. |
Compression Uncompressed Capacity (Mebibytes) | Indicates the total uncompressed used capacity for all compressed volume copies in the cluster. This value is in unsigned decimal format. |
Compression Virtual Capacity (Mebibytes) | Indicates the total virtual capacity for all compressed volume copies in the cluster. This value is in unsigned decimal format. |
Console IP | The IP address and port of the console. |
Email State | The state of the email service. |
Fibre Channel Data Transferred (Megabytes per Second) | Displays the total data transferred per time unit for Fibre Channel traffic on the system. This value includes host I/O and any bandwidth that is used for communication within the system. |
Fibre Channel IO Operations (Operations per Second) | Displays the total input/output (I/O) operations transferred per time unit for Fibre Channel traffic on the system. This value includes host I/O and any bandwidth that is used for communication within the system. |
Gen1 Compatibility Mode Enabled | Indicates whether a system is compatible with a downlevel system (such as a Storwize V7000 Gen1 ) system. |
Global Mirror Inter Cluster Delay Simulation (Milliseconds) | Specifies the intersystem delay simulation, which simulates the Global Mirror round trip delay between two systems. |
Global Mirror Intra Cluster Delay Simulation (Milliseconds) | Specifies the intrasystem delay simulation, which simulates the Global Mirror round trip delay between two systems. |
Global Mirror Link Tolerance (Seconds) | The length of time for which an inadequate intersystem link is tolerated for a Global Mirror operation. |
Global Mirror Maximum Host Delay (Milliseconds) | Specifies the maximum time delay at which the Global Mirror link tolerance timer starts counting down. |
IBM Component | Indicates the component. |
IBM Country | Indicates the country. |
IBM Customer Number | Indicates the IBM customer number. |
Id | The ID of the Cluster. |
ID Alias | Specifies an alternate name that does not change the basic ID for the cluster. |
IP Partnership IO Operations (Operations per Second) | The total input/output (I/O) operations transferred per time unit for IP partnership traffic on the system. This value does not include Internet Small Computer System Interface (iSCSI) host I/O operations. |
IP Replication Data Transferred (Megabytes per Second) | Displays the total data transferred per time unit for Internet Protocol (IP) replication traffic on the system. This value does not include iSCSI host input/output (I/O) operations. |
IP Replication Link Compressed Data Transferred (Megabytes per Second) | Displays the average compressed data transferred per time unit over the IP replication link during the sample period. |
ISCSI Data Transferred (Megabytes per Second) | Displays the total data transferred per time unit for iSCSI traffic on the system. |
ISCSI IO Operations (Operations per Second) | Displays the total I/O operations transferred per time unit for iSCSI traffic on the system. |
Layer | The value can be either:
|
Local Fibre Channel Port Mask | Indicates the Fibre Channel (FC) input/output (I/O) ports that a system can use for node-to-node communications on a local system if those FC I/O ports exist on a node. The value is 64 binary bits. |
Locale | The locale of the cluster. |
Location | The location of the system. |
Maximum Replication Delay | Indicates the value for maximum replication delay. This is a numeric value from 0 to 360. |
Name | The name of the cluster. |
Offloaded Data Transfer Enabled | Indicates whether offloaded data transfer (ODX) is enabled or disabled. |
Partner Fibre Channel Port Mask | Indicates the FC I/O ports that a system can use for system-to-system communications on a partner system if those FC I/O ports exist on a node. The value is 64 binary bits. |
Partnership | The type of partnership configured. |
Partnership Exclusion Threshold | Indicates the partnership exclusion threshold value. This is a numeric value from 30 to 315. |
Product Name | Indicates the product name (an alphanumeric string of no more than 62 characters). |
Read and Write Data Transferred to Drives (Megabytes per Second) | Displays the average data transferred per time unit for read and write operations to drives during the sample period. |
Read and Write Data Transferred to Management Disks (Megabytes per Second) | Displays the average data transferred per time unit for read and write operations to MDisks during the sample period. |
Read and Write Data Transferred to Volumes (Megabytes per Second) | Displays the average data transferred per time unit for read and write operations to volumes during the sample period. |
Read and Write Delay to Drives (Milliseconds) | Displays the average amount of time that the cluster takes to respond to read and write requests to drives over the sample period. |
Read and Write Delay to Management Disks (Milliseconds) | Displays the average amount of time that the cluster takes to respond to read and write requests to MDisks over the sample period. |
Read and Write Delay to Volumes (Milliseconds) | Displays the average amount of time that the cluster takes to respond to read and write requests to volumes over the sample period. |
Read and Write IO Operations to Drives (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for read and write operations to drives during the sample period. |
Read and Write IO Operations to Management Disks (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for read and write operations to MDisks during the sample period. |
Read and Write IO Operations to Volumes (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for read and write operations to volumes during the sample period. |
Read Data Transferred to Drives (Megabytes per Second) | Displays the average data transferred per time unit for read operations to drives during the sample period. |
Read Data Transferred to Management Disks (Megabytes per Second) | Displays the average data transferred per time unit for read operations to MDisks during the sample period. |
Read Data Transferred to Volumes (Megabytes per Second) | Displays the average data transferred per time unit for read operations to volumes during the sample period. |
Read Delay to Drives (Milliseconds) | Displays the average amount of time that the cluster takes to respond to read requests to drives over the sample period. |
Read Delay to Management Disks (Milliseconds) | Displays the average amount of time that the cluster takes to respond to read requests to MDisks over the sample period. |
Read Delay to Volumes (Milliseconds) | Displays the average amount of time that the cluster takes to respond to read requests to volumes over the sample period. |
Read IO Operations to Drives (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for read operations to drives during the sample period. |
Read IO Operations to Management Disks (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for read operations to MDisks during the sample period. |
Read IO Operations to Volumes (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for read operations to volumes during the sample period. |
Remote Copy Authentication Method | The type of remote copy authentication method used. |
Remote Copy Buffer Size | Indicates the resource buffer size that is assigned for Metro Mirror, Global Mirror, and HyperSwap Copy Services. |
SAS Data Transferred (Megabytes per Second) | Displays the total data transferred per time unit for serial-attached SCSI (SAS) traffic on the system. This value includes host I/O and bandwidth that is used for background RAID activity. |
SAS IO Operations (Operations per Second) | Displays the total I/O operations transferred per time unit for SAS traffic on the system. This value includes host I/O and bandwidth that is used for background RAID activity. |
Space Allocated To Virtual Disks (Mebibytes) | The amount of space allocated to virtual disks. |
Space In Pool Groups (Mebibytes) | The space allocated to the managed disk groups. |
Statistics Frequency | The frequency of statistics polling. |
Statistics Status | The statistics status. |
System Allocated CPU (%) | Displays the allocated CPU capacity utilized for the cluster. |
Tier 0 Flash Capacity (Mebibytes) | Indicates the Tier 0 flash storage total capacity. |
Tier 0 Flash Compressed Data Used (Mebibytes) | Indicates the capacity of compressed data used on the flash tier 0 storage tier. The value must be a number with two decimal places. |
Tier 0 Flash Free Space (Mebibytes) | Indicates the Tier 0 flash free space. |
Tier 1 Flash Capacity (Mebibytes) | Indicates the Tier 1 flash storage total capacity. |
Tier 1 Flash Compressed Data Used (Mebibytes) | Indicates the capacity of compressed data used on the flash tier 1 storage tier. The value must be a number with two decimal places. |
Tier 1 Flash Free Space (Mebibytes) | Indicates the Tier 1 flash free space. |
Tier Enterprise Compressed Data Used (Mebibytes) | Indicates the capacity of compressed data used on the tier 2 enterprise storage tier. The value must be a number with two decimal places. |
Tier Enterprise Flash Capacity (Mebibytes) | Indicates the Tier enterprise storage total capacity. |
Tier Enterprise Flash Free Space (Mebibytes) | Indicates the Tier enterprise free space. |
Tier Nearline Compressed Data Used (Mebibytes) | Indicates the capacity of compressed data used on the tier 3 nearline storage tier. The value must be a number with two decimal places. |
Tier Nearline Flash Capacity (Mebibytes) | Indicates the Tier nearline storage total capacity. |
Tier Nearline Flash Free Space (Mebibytes) | Indicates the Tier nearline free space. |
Time Zone | The time zone of the cluster. |
Topology | The Cluster topology. |
Topology Status | The Cluster topology status. |
Total Allocated Extent Capacity (Mebibytes) | The total allocated extent capacity. |
Total Cache Usage (%) | Displays the total usage for both the read and write cache for the node. |
Total Free Space (Mebibytes) | The total free space. |
Total Overallocation (%) | The amount thin provisioned disks configured versus the total capacity. |
Total Pool Capacity (Mebibytes) | The total managed disk capacity. |
Total Snapshot Capacity (Mebibytes) | The total capacity of the related snapshots. |
Total Tier Capacity (Mebibytes) | The sum of tier_0_flash_capacity, tier_1_flash_capacity, tier_enterprise_flash_capacity, tier_nearline_flash_capacity metrics. |
Total Tier Capacity Usage (%) | The ratio of total_allocated_extent_capacity, total_tier_capacity metrics. |
Total Tier Free Space (Mebibytes) | The sum of tier_0_flash_free_space, tier_1_flash_free_space, tier_enterprise_flash_free_space, tier_nearline_flash_free_space metrics. |
Total Tier Used Space (Mebibytes) | The difference of total_tier_capacity, total_tier_free_space metrics. |
Total Used Capacity (Mebibytes) | The total used capacity. |
Total Virtual Disk Capacity (Mebibytes) | The total virtual disk capacity. |
Virtual Disk Protection Enabled | Indicates whether virtual disk protection is enabled or disabled for a system. |
Virtual Disk Protection Time (Minutes) | Indicates the virtual disk protection time (whether volume protection is enabled or not enabled). The value must be a number from 15 (default) to 1440. |
Write Cache Usage (%) | Displays the usage of the write cache for the node. |
Write Data Transferred to Drives (Megabytes per Second) | Displays the average data transferred per time unit for write operations to drives during the sample period. |
Write Data Transferred to Management Disks (Megabytes per Second) | Displays the average data transferred per time unit for write operations to MDisks during the sample period. |
Write Data Transferred to Volumes (Megabytes per Second) | Displays the average data transferred per time unit for write operations to volumes during the sample period. |
Write Delay to Drives (Milliseconds) | Displays the average amount of time that the cluster takes to respond to write requests to drives over the sample period. |
Write Delay to Management Disks (Milliseconds) | Displays the average amount of time that the cluster takes to respond to write requests to MDisks over the sample period. |
Write Delay to Volumes (Milliseconds) | Displays the average amount of time that the cluster takes to respond to write requests to volumes over the sample period. |
Write IO Operations to Drives (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for write operations to drives during the sample period. |
Write IO Operations to Management Disks (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for write operations to MDisks during the sample period. |
Write IO Operations to Volumes (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for write operations to volumes during the sample period. |
Node
Name | Description |
---|---|
Cloud Download Data Transferred (Megabytes per Second) | Displays the average data transferred for download operations to a cloud account during the sample period. |
Cloud Download Delay (Milliseconds) | Displays the average amount of time it takes for the system to respond to download requests to a cloud account during the sample period. |
Cloud Upload Data Transferred (Megabytes per Second) | Displays the average data transferred per time unit for upload operations to a cloud account during the sample period. |
Cloud Upload Delay (Milliseconds) | Displays the average amount of time it takes for the system to respond to upload requests to a cloud account during the sample period. |
Compressed Allocated CPU (%) | Displays the usage of allocated CPU capacity utilized for compression. |
Fibre Channel Data Transferred (Megabytes per Second) | Displays the total data transferred per time unit for Fibre Channel traffic on the system. This value includes host I/O and any bandwidth that is used for communication within the system. |
Fibre Channel IO Operations (Operations per Second) | Displays the total input/output (I/O) operations transferred per time unit for Fibre Channel traffic on the system. This value includes host I/O and any bandwidth that is used for communication within the system. |
Hardware Type | The hardware type (for example, CG8). |
ID | Unique ID for this node. |
IO Group ID | The I/O group of the node. |
IO Group Name | The name of the I/O group in the node. |
IP Partnership IO Operations (Operations per Second) | The total input/output (I/O) operations transferred per time unit for IP partnership traffic on the system. This value does not include Internet Small Computer System Interface (iSCSI) host I/O operations. |
IP Replication Data Transferred (Megabytes per Second) | Displays the total data transferred per time unit for Internet Protocol (IP) replication traffic on the system. This value does not include iSCSI host input/output (I/O) operations. |
IP Replication Link Compressed Data Transferred (Megabytes per Second) | Displays the average compressed data transferred per time unit over the IP replication link during the sample period. |
Is a Configuration Node | Indicates if the node is a configuration node. |
ISCSI Alias | The ISCSI alias. |
ISCSI Data Transferred (Megabytes per Second) | Displays the total data transferred per time unit for iSCSI traffic on the system. |
ISCSI IO Operations (Operations per Second) | Displays the total I/O operations transferred per time unit for iSCSI traffic on the system. |
ISCSI Name | The ISCSI name. |
Name | The name of the node. |
Panel Name | The panel name. |
Read and Write Data Transferred to Drives (Megabytes per Second) | Displays the average data transferred per time unit for read and write operations to drives during the sample period. |
Read and Write Data Transferred to Management Disks (Megabytes per Second) | Displays the average data transferred per time unit for read and write operations to MDisks during the sample period. |
Read and Write Data Transferred to Volumes (Megabytes per Second) | Displays the average data transferred per time unit for read and write operations to volumes during the sample period. |
Read and Write Delay to Drives (Milliseconds) | Displays the average amount of time that the system takes to respond to read and write requests to drives over the sample period. |
Read and Write Delay to Management Disks (Milliseconds) | Displays the average amount of time that the system takes to respond to read and write requests to MDisks over the sample period. |
Read and Write Delay to Volumes (Milliseconds) | Displays the average amount of time that the system takes to respond to read and write requests to volumes over the sample period. |
Read and Write IO Operations to Drives (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for read and write operations to drives during the sample period. |
Read and Write IO Operations to Management Disks (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for read and write operations to MDisks during the sample period. |
Read and Write IO Operations to Volumes (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for read and write operations to volumes during the sample period. |
Read Data Transferred to Drives (Megabytes per Second) | Displays the average data transferred per time unit for read operations to drives during the sample period. |
Read Data Transferred to Management Disks (Megabytes per Second) | Displays the average data transferred per time unit for read operations to MDisks during the sample period. |
Read Data Transferred to Volumes (Megabytes per Second) | Displays the average data transferred per time unit for read operations to volumes during the sample period. |
Read Delay to Drives (Milliseconds) | Displays the average amount of time that the system takes to respond to read requests to drives over the sample period. |
Read Delay to Management Disks (Milliseconds) | Displays the average amount of time that the system takes to respond to read requests to MDisks over the sample period. |
Read Delay to Volumes (Milliseconds) | Displays the average amount of time that the system takes to respond to read requests to volumes over the sample period. |
Read IO Operations to Drives (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for read operations to drives during the sample period. |
Read IO Operations to Management Disks (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for read operations to MDisks during the sample period. |
Read IO Operations to Volumes (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for read operations to volumes during the sample period. |
SAS Data Transferred (Megabytes per Second) | Displays the total data transferred per time unit for serial-attached SCSI (SAS) traffic on the system. This value includes host I/O and bandwidth that is used for background RAID activity. |
SAS IO Operations (Operations per Second) | Displays the total I/O operations transferred per time unit for SAS traffic on the system. This value includes host I/O and bandwidth that is used for background RAID activity. |
Site ID | The site node ID. |
Site Name | The site name. |
status | The last known status of the node. |
System Allocated CPU (%) | Displays the usage of allocated CPU capacity utilized for the system. |
Total Cache Usage (%) | Displays the total usage for both the read and write cache for the node. |
UPS ID | The unique id of the UPS. |
UPS Serial Number | The serial number for the UPS. |
World Wide Port Name | The World Wide Port Name of the node. |
Write Cache Usage (%) | Displays the usage of the write cache for the node. |
Write Data Transferred to Drives (Megabytes per Second) | Displays the average data transferred per time unit for write operations to drives during the sample period. |
Write Data Transferred to Management Disks (Megabytes per Second) | Displays the average data transferred per time unit for write operations to MDisks during the sample period. |
Write Data Transferred to Volumes (Megabytes per Second) | Displays the average data transferred per time unit for write operations to volumes during the sample period. |
Write Delay to Drives (Milliseconds) | Displays the average amount of time that the system takes to respond to write requests to drives over the sample period. |
Write Delay to Management Disks (Milliseconds) | Displays the average amount of time that the system takes to respond to write requests to MDisks over the sample period. |
Write Delay to Volumes (Milliseconds) | Displays the average amount of time that the system takes to respond to write requests to volumes over the sample period. |
Write IO Operations to Drives (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for write operations to drives during the sample period. |
Write IO Operations to Management Disks (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for write operations to MDisks during the sample period. |
Write IO Operations to Volumes (Operations per Second) | Displays the average amount of I/O operations transferred per time unit for write operations to volumes during the sample period. |
Snapshot
Name | Description |
---|---|
Automatic Expansion | Indicates whether 'autoexpand' is enabled on a thin-provisioned Snapshot. |
Capacity (Mebibytes) | The full amount of space allocated to the Snapshot. |
Compressed Copy | Indicates whether or not the Snapshot is compressed. |
Easy Tier | Indicates whether Easy Tier is permitted to manage the Storage Pool. If 'on', Easy Tier Status can take on any value. If 'off', Easy Tier Status is 'measured' or 'inactive'. |
Easy Tier Status | Indicates which Easy Tier functions are active for the Snapshot:
|
Encrypted | Indicates whether the volume and its copies are encrypted. |
Free Capacity (Mebibytes) | The difference between the 'Real Capacity' and 'Used Capacity'. This value is zero for fully-allocated copies. |
Grain Size | For thin-provisioned Snapshots, indicates the grain size chosen for the Snapshot when it was created. |
Overallocation (%) | Indicates the ratio of Capacity to Real Capacity values. |
Parent Storage Pool ID | Indicates the physical Storage Pool ID that the volume extents are actually allocated from. |
Parent Storage Pool Name | Indicates the physical Storage Pool name that the volume extents are actually allocated from. |
Pool ID | The ID of the Storage Pool that the Snapshot belongs to. |
Pool Name | The name of the Storage Pool that the Snapshot belongs to. |
Real Capacity (Mebibytes) | Indicates the amount of physical storage that is allocated from a Storage Pool to this Snapshot. If the Snapshot is not thin-provisioned (i.e. fully-allocated), the value is the same as 'Capacity'. If the Snapshot is thin-provisioned, the value can be different. |
Status | System status of the Snapshot. A Snapshot is offline if all nodes cannot access the Storage Pool that contains the Snapshot. |
Synchronized | Whether or not the Snapshot is synchronized. |
Thin Provisioned | Specifies if the copy is thin-provisioned or not. |
Type | The virtualization type of the Snapshot. |
Uncompressed Used Capacity (Mebibytes) | For compressed Snapshots, indicates the amount of data written to the volume before compression. |
Used Capacity (Mebibytes) | Indicates the portion of 'Real Capacity' that is being used to store data. For non-thin-provisioned (fully-allocated) Snapshots, this value is the same as the Capacity. If the Snapshot is thin-provisioned, the value increases from zero to the 'Real Capacity' value as more of the volume is written to. |
Virtual Disk Copy ID | The system-provided unique identifier for the Snapshot. The value can be '0' or '1'. |
Virtual Disk ID | The system-provided unique identifier for the Virtual Disk from which this Snapshot originated. |
Virtual Disk Name | The name of the Snapshot. |
Warning Level (%) | Indicates that a warning is generated when the ratio of Used Capacity to Capacity reaches the specified level. |
Storage Pool
Name | Description |
---|---|
Average Cumulative Read Latency (Milliseconds) | The average value of the cumulative_read_latency metric from descendants of type Virtual Disk. |
Average Cumulative Write Latency (Milliseconds) | The average value of the cumulative_write_latency metric from descendants of type Virtual Disk. |
Average Read Operations (Operations) | The average value of the read_operations metric from descendants of type Virtual Disk. |
Average Secondary Write Latency (Milliseconds) | The average value of the secondary_write_latency metric from descendants of type Virtual Disk. |
Average Write Operations (Operations) | The average value of the write_operations metric from descendants of type Virtual Disk. |
Capacity (Mebibytes) | The total amount of MDisk storage that is assigned to the storage pool. |
Capacity Usage (%) | The ratio of real_used_capacity, capacity metrics. |
Child Pools Capacity (Mebibytes) | Indicates the total amount of space reserved for child pools. |
Child Pools Count | Indicates the number of child pools in the parent pools. |
Compression Active | Indicates whether there are any compressed volume copies in the storage pool. |
Compression Compressed Capacity (Mebibytes) | Indicates the total used capacity for all compressed volume copies in the storage pool. |
Compression Uncompressed Capacity (Mebibytes) | Indicates the total uncompressed used capacity for all compressed volume copies in the storage pool. |
Compression Virtual Capacity (Mebibytes) | Indicates the total virtual capacity for all compressed volume copies in the storage pool. |
Easy Tier | This value is set by the user and determines whether Easy Tier is permitted to manage the pool. |
Easy Tier Status | Whether the Easy Tier functions are active on an storage pool. |
Encrypt | Indicates whether the data stored on the MDisk group is encrypted or not encrypted. |
Extent Size (Megabytes) | The size of the extents for this group: 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, or 8192. |
Free Capacity (Mebibytes) | The amount of MDisk storage that is assigned to the storage pool that is unused. MDisk storage can be used for system quorum data and volumes. |
ID | Unique ID for this pool. |
Managed Disks Count | The number of managed disks that are in the storage pool. |
Name | Name of this pool. |
Overallocation (%) | The ratio of the virtual_capacity value to the capacity. An storage pool overallocation of over 100 is only possible if you have configured thin-provisioned volume copies. |
Owner Type | Indicates the type of owning object, such as a file system or application. |
Parent Pool Group ID | Indicates the storage pool group ID. |
Parent Pool Group Name | Indicates the storage pool group ID. |
Real Capacity (Mebibytes) | The amount of MDisk storage that is assigned to the storage pool that is assigned to volumes. |
Real Used Capacity (Mebibytes) | The difference of capacity, free_capacity metrics. |
Site ID | Indicates the site value for the storage pool group. |
Site Name | Indicates the site name for the storage pool. |
Status | The state of the MDisk with the highest-priority status in the group, excluding image mode MDisks. |
Type | Indicates the managed disk group type. |
Used Capacity (Mebibytes) | The total used size of all the volume copies that are associated with the storage pool. This is the same as the Real Capacity value unless you have configured thin-provisioned volume copies in this storage pool. |
Virtual Capacity (Mebibytes) | The total virtual size of all the volume copies that are associated with the storage pool. This is the same as the Real Capacity value unless you have configured thin-provisioned volume copies in this storage pool. |
Virtual Disk Copies Count | The number of volume copies that are in the storage pool. |
Warning Threshold (%) | A warning is generated when the amount of space in the storage pool that has been assigned exceeds this level. |
Worst Read Response Time (Microseconds) | The maximum value of the worst_read_response_time metric from descendants of type Virtual Disk. |
Worst Write Response Time (Microseconds) | The maximum value of the worst_write_response_time metric from descendants of type Virtual Disk. |
Virtual Disk
Name | Description |
---|---|
Analysis State | Indicates the state of analysis for the Virtual Disk, can be one of the following values:
|
Capacity Usage (%) | The ratio of real_capacity, total_capacity metrics. |
Change Virtual Disk | Indicates if a Virtual Disk is a change Virtual Disk of a remote copy relationship. |
Compressed Copy Count | Indicates the number of compressed Virtual Disk copies. |
Cumulative Read Latency (Milliseconds) | The cumulative latency of read operations. |
Cumulative Write Latency (Milliseconds) | The cumulative latency of write operations. |
Encrypted | Indicates whether all copies of a Virtual Disk reside in Storage Pools that are reported as encrypting.
|
Estimated Compressed Size (Mebibytes) | Indicates the estimated size of any nonzero data after compression completes. |
Estimated Thin-Provisioned Size (Mebibytes) | Indicates the estimated size of the data without zero portions (thin-provisioned size). |
Expected Compressed Savings (Mebibytes) | Indicates how much data to expect to save if the Virtual Disk is a compressed Virtual Disk. |
Expected Compressed Savings Ratio (%) | Indicates the amount of data that is saved by compression. |
Expected Thin-Provisioned Savings (Mebibytes) | Indicates how much data that is expected to be saved if it is a thin-provisioned Virtual Disk. |
Expected Thin-Provisioned Savings Ratio (%) | Indicates the ratio of data that is saved by thin-provisioned. |
Expected Total Savings Ratio (%) | Indicates the amount of data saved by compression based on the overall Virtual Disk capacity, which includes the thin nature of compressed Virtual Disk. |
Expected Total Savings Size (Mebibytes) | Indicates how much data to expect to save by compression, which includes the thin nature of compressed Virtual Disks. |
Fast Write State | Indicates the cache state for the Virtual Disk or Snapshot. The value can be empty, not_empty, corrupt, or repairing. A cache state of corrupt indicates that the Virtual Disk or Snapshot requires repairing or recovery by using either the recovervdisk or repairvdiskcopy command. |
FlashCopy ID | Indicates the ID of the FlashCopy mapping that the Virtual Disk belongs to. The value many indicates that the Virtual Disk belongs to more than one FlashCopy mapping. |
FlashCopy Map Count | Indicates the number of FlashCopy mappings that the Virtual Disk belongs to. |
FlashCopy Name | Indicates the name of the FlashCopy mapping that the Virtual Disk belongs to. The value many indicates that the Virtual Disk belongs to more than one FlashCopy mapping. |
Free Capacity (Mebibytes) | Indicates the difference between the real_capacity and used_capacity values. |
Function | Indicates the function of the Virtual Disk in the remote copy relationship. Remote copy includes Metro Mirror, Global Mirror, and HyperSwap.
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ID | Unique ID for this Virtual Disk. |
IO Group ID | Indicates the I/O group (ID) that the Virtual Disk belongs to. |
IO Group Name | Indicates the I/O group (name) that the Virtual Disk belongs to. |
Margin of Error for Expected Savings (%) | Indicates the accuracy estimation. |
Name | Name of this Virtual Disk. |
Overlapping Writes (Writes) | The number of overlapping writes. |
Parent Host Name | The name of the parent host for the virtual disk. |
Parent Pool ID | Indicates the ID of the Storage Pool that the Virtual Disk belongs to. |
Parent Pool Name | Indicates the name of the Storage Pool that the Virtual Disk belongs to. |
Prestage Sector Count | The number of track sectors prestaged. |
Quantity of Cache Data in Sectors | The number of cache data in sectors. |
Quantity of Write Cache Data in Sectors | The number of write cache data in sectors. |
Read Cache Hits on Prestaged Data Sector Count | The number of track read cache hits on prestaged sectors. |
Read Operations (Operations) | The number of read operations. |
Real Capacity (Mebibytes) | Indicates the amount of physical storage that is allocated from an storage pool to this volume copy. If the volume copy is not thin-provisioned, the value is the same as the volume capacity. If the volume copy is thin-provisioned, the value can be different. |
Remote Copy ID | Indicates the ID of the remote copy relationship that the Virtual Disk belongs to. |
Remote Copy Name | Indicates the name of the remote copy relationship that the Virtual Disk belongs to. |
Secondary Write Latency (Milliseconds) | The latency of secondary writes. |
Secondary Writes (Writes) | The number of secondary writes. |
Status | Indicates the status. The value can be online, offline or degraded. |
Thin Provisioned Copies Count | Indicates the number of thin-provisioned copies. Remember: This value represents only thin-provisioned copies and is not used for compressed Virtual Disk copies. |
Total Capacity (Mebibytes) | Indicates the total capacity of the Virtual Disk. |
Track Destage Sector Count | The number of track destage sectors. |
Track Destages | The number of track destages. |
Track Read Cache Hits | The number of track read cache hits. |
Track Read Cache Hits on Any Prestaged Area | The number of track read cache hits on prestaged areas. |
Track Read Cache Hits Sector Count | The number of track read cache sector hits. |
Track Read Sector Count | The number of track sector reads. |
Track Reads (Reads) | The number of track reads. |
Track Write Hits on Dirty Data | The number of track write hits on dirty data. |
Track Write Hits on Dirty Data Sector Count | The number of track write sectors on dirty data. |
Track Write Sector Count | The number of track sector writes. |
Track Writes (Writes) | The number of track writes. |
Track Writes in Fast Write Mode (Writes) | The number of track writes in fast write mode. |
Track Writes in Fast Write Mode Sector Count (Writes) | The number of track write sectors in fast write mode. |
Track Writes in Fast Write Mode That Were Written in Write Through Due to a Lack of Memory (Writes) | The number of track writes in fast write mode that were written in write through due to lack of memory. |
Track Writes in Fast Write Mode That Were Written in Write Through Due to a Lack of Memory sector count (Writes) | The number of track write sectors in fast write mode that were written in write through to do lack of memory. |
Track Writes in Flush Through Mode (Writes) | The number of track writes in flush through mode. |
Track Writes in Flush Through Mode Sector Count (Writes) | The number of track write sectors in flush through mode. |
Track Writes in Write Through Mode (Writes) | The number of track writes in write through mode. |
Track Writes in Write Through Mode Sector Count (Writes) | The number of track write sectors in through mode. |
Tracks Prestaged | The number of tracks prestaged. |
Type | Indicates the virtualization type of the Virtual Disk. The value can be striped, sequential, or image. |
Unique ID | Indicates the Unique ID of the Virtual Disk. |
Used Capacity (Mebibytes) | Indicates the portion of real_capacity that is being used to store data. For non-thin-provisioned copies, this value is the same as the volume capacity. If the volume copy is thin-provisioned, the value increases from zero to the real_capacity value as more of the volume is written to. |
Worst Read Response Time (Microseconds) | The worst response time of read operations. |
Worst Write Response Time (Microseconds) | The worst response time of write operations. |
Write Operations (Operations) | The number of write operations. |
Updated about 2 months ago